Home / 6,903.74-9,528.63-4,215.53

Finding the Fourth Proportional to 6,903.74, 9,528.63 and 4,215.53

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Solution

The fourth proportional to 6,903.74, 9,528.63 and 4,215.53 is: 5,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.74 : 9,528.63 = 4,215.53 : x
  2. Step 2: Convert to fraction form
    6,903.74/9,528.63 = 4,215.53/x
  3. Step 3: Cross multiply
    6,903.74x = 9,528.63 × 4,215.53
  4. Step 4: Simplify right side
    6,903.74x = 40,168,225.62
  5. Step 5: Solve for x
    x = 40,168,225.62/6,903.74
  6. Step 6: Final answer
    x = 5,818.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.